
1) Herbicide 2) Toxic weedkiller 3) Weed killer
Found on
https://www.crosswordclues.com/clue/paraquat

Paraquat is the trade name for ``N``,``N``′-dimethyl-4,4′-bipyridinium dichloride, is the organic compound with the formula [(C5H4N)2]Cl2. It is classified as a viologen, a family of redox-active heterocycles or similar structure. This salt is one of the most widely used herbicides. It is quick-acting and non-selective, killing green p...
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http://en.wikipedia.org/wiki/Paraquat

(from the article `occupational disease`) Paraquat and diquat, the bipyridylium compounds, are deadly if ingested. Skin contact or inhalation of a concentrate of paraquat can cause fatal lung ...
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http://www.britannica.com/eb/a-z/p/17

<chemical> The common name of the herbicide and defoliant 1,1-dimethyl-4, 4-dipyridylium. ... It is a yellow, water-soluble solid that kills all types of plants. It is quickly broken down by microbes in the soil, but is lethal if ingested. Contact with the skin causes irritation, cracking of the nails, and poor healing of wounds. ... (09 Oct ...
Found on
http://www.encyclo.co.uk/local/20973

(par´ә-kwaht) a poisonous compound some of whose salts are used as contact herbicides. Concentrated solutions cause skin irritation, cracking and shedding of nails, and delayed healing of cuts and wounds. A person who ingests a large amount may develop kidney and liver failure, followed by respiratory insufficienc...
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http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: par′ă-kwaht Definitions: 1. A weedkiller that produces delayed toxic effects on the liver, kidneys, and lungs when ingested; progressive interstitial pneumonia with proliferation of alveolar lining cells may develop.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=65249

Paraquat: A toxic chemical widely used as an herbicide (plant killer), primarily for weed and grass control. Paraquat is highly poisonous. It was first produced for commercial purposes in 1961. The most likely route of exposure to paraquat leading to poisoning is ingestion (swallowing). Paraquat can be easily mixed with food, water, or other bevera...
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http://www.medterms.com/script/main/art.asp?articlekey=38399

[
n] - a poisonous yellow solid used in solution as a herbicide
Found on
http://www.webdictionary.co.uk/definition.php?query=paraquat

A standard herbicide used to kill various types of crops, including marijuana. Causes lung damage if smoke from the crop is inhaled..
Found on
https://www.encyclo.co.uk/local/20094
noun a poisonous yellow solid used in solution as a herbicide
Found on
https://www.encyclo.co.uk/local/20974

Nonselective herbicide (weedkiller). Although quickly degraded by soil micro-organisms, it is deadly to human beings if ingested
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.